As of 05:56 CDT

St. Mary, MO weather in August

71°

St. Mary, Sunday, 9 August, 05:56

Clear. Feels like 72°. High 96°, low 71°.

Pressure30.00 inHg

Wind5.8 mph S

Humidity92%

Visibility6.2 mi

Dew point68°

See detailed hourly forecast

In August, St. Mary, MO averages a high of 86.6° and a low of 69.3°. About 3.1 inches of precipitation fall over the month (9 wet days). The record high is 103.8° (2007) and the record low 51.4° (1986). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	87.3°	69.4°	27%	99.9° (1980)	56.5° (1971)
2	87.3°	69.4°	33%	100.4° (2011)	60.6° (1971)
3	88.2°	70.3°	30%	101.3° (2010)	59.4° (1976)
4	87.3°	70.7°	33%	100.2° (2010)	58.3° (1976)
5	86.5°	70°	30%	97.9° (2007)	58.5° (1974)
6	86.7°	70°	35%	98.8° (1960)	58.1° (1994)
7	86.7°	69.4°	28%	99° (2007)	58.5° (1990)
8	87.8°	70.5°	38%	100.9° (2007)	57.7° (1976)
9	87.4°	70.7°	32%	98.2° (1980)	56.8° (1976)
10	87.1°	70.2°	43%	98.2° (2010)	57.6° (1972)
11	85.5°	69.6°	25%	99.3° (2021)	58.6° (1967)
12	86°	68.5°	32%	103.3° (2007)	55.4° (1967)
13	85.6°	68.2°	37%	99.5° (2007)	53.1° (2004)
14	85.6°	68.7°	32%	100.8° (2007)	53.6° (2004)
15	85.6°	68.5°	30%	103.8° (2007)	55° (2004)
16	86.2°	69.6°	37%	102.2° (2007)	55.9° (2004)
17	87.4°	69.6°	23%	99.9° (1995)	58.5° (1992)
18	87.8°	69.8°	23%	100.8° (1995)	59.2° (1992)
19	87.1°	69.6°	28%	100.6° (1962)	60.3° (1977)
20	86.4°	69.4°	33%	101.8° (1962)	57.4° (1967)
21	86.2°	68.9°	23%	99.1° (1983)	57.2° (1967)
22	86.5°	68.9°	22%	99.3° (1983)	55.6° (2024)
23	86°	68.9°	28%	97.2° (2023)	58.1° (2018)
24	86.5°	68.7°	18%	100.9° (2023)	59.4° (1966)
25	87.3°	68.7°	17%	100.4° (2023)	57.2° (1966)
26	87.3°	69.1°	28%	99° (1983)	54.7° (2025)
27	86.7°	69.3°	28%	98.4° (1983)	55.4° (2025)
28	86.5°	68.9°	35%	96.4° (2007)	53.8° (1967)
29	85.6°	68.5°	32%	98.2° (1984)	51.4° (1986)
30	85.3°	68°	27%	97.7° (1995)	52° (1986)
31	84.9°	68.2°	37%	98.4° (2013)	57.7° (2009)